package com.example;

import java.nio.ByteBuffer;

import java.nio.ByteOrder;

import java.nio.FloatBuffer;



import javax.microedition.khronos.egl.EGLConfig;

import javax.microedition.khronos.opengles.GL10;

import android.opengl.GLSurfaceView;

import android.opengl.GLU;



public class Cursor {

	public int x;

	public int y;

	public int rx;

	public int by;

	public boolean bHasToBeOnScreen;

	

	float[] square = new float[] 

	                  	     { 	10f, 10f, 0.0f,

	                  			-10f, 10f, 0.0f,

	                  			10f, -10f, 0.0f,

	                  			-10f, -10f, 0.0f };

	FloatBuffer floatBuff;

	

	public Cursor(int x, int y, boolean onScreen)

	{

		this.x = x;

		this.y = y;		

		this.rx = x + 20;

		this.by = y + 20;

		this.bHasToBeOnScreen = onScreen;

		floatBuff = makeFloatBuffer(square);

    }

    

    protected static FloatBuffer makeFloatBuffer(float[] arr) 

    {

		ByteBuffer bb = ByteBuffer.allocateDirect(arr.length*4);

		bb.order(ByteOrder.nativeOrder());

		FloatBuffer fb = bb.asFloatBuffer();

		fb.put(arr);

		fb.position(0);

		return fb;

	}



	

	public void Draw(GL10 gl)

	{

		gl.glPushMatrix();

		

		if(bHasToBeOnScreen)

		{

			gl.glColor4f(0.5f, 0.5f, 0, 0.5f);

		}

		else

		{

			gl.glColor4f(0, 0.5f, 0.5f, 0.5f);

		}

		

		gl.glTranslatef(x,y,0);	

		gl.glVertexPointer(3, GL10.GL_FLOAT, 0, floatBuff);

		//gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);

		gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);

		

		gl.glPopMatrix();

	}

}